Solve for x. Approximate the result to three decimal places.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: D
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Find a formula for the nth term of the sequence.0, 2, 2, 2, 0, 2, 2, 2 (0, 2, 2, 2 repeated)
A. an = 1 + (-1)n(n-1)/2 B. an = 1 + (-1)n(n+1)/2 C. an = 1 + (-1)n(n+1)(n+2)/6 D. an = 1 + (-1)(n+1)(n + 2)/2
Solve the problem.The volume of a rectangular solid can be written as V=LWH, where L is the length of the solid, W is the width, and H is the height. A rectangular steel plate lying on a flat surface has a height (thickness) of 
inch. Its length is 4 inches longer than its width. The volume of the plate is 9 cubic inches. What are the length and width of the plate?
A. length = 10 in., width = 6 in. B. length = 9 in., width = 5 in. C. length = 10 in., width = 4 in. D. length = 8 in., width = 6 in.
Decompose into partial fractions.
A. 
+ 
B. 
- 
C. 
- 
D. 
- 
Write in terms of the cofunction of a complementary angle.tan (90° - 20°)
A. cos 70° B. sin 20° C. cot 70° D. cot 20°